1,5-anhydro-2,4-dideoxy-3-O-methyl-4-phthalimido-L-threo-pent-1-enopyranose

1,5-anhydro-2,4,6-trideoxy-4-<(2,4-dinitrophenyl)thio>-D-ribo-hex-1-enopyranose

2-(trimethylsilyl)ethyl <(2,4,6-trideoxy-3-O-<(1,1-dimethylethyl)dimethylsilyl>-4-thio-β-D-ribo-hexopyranosyl)oxy>carbamate

<2,4,6-trideoxy-3-O-<(1,1-dimethylethyl)dimethylsilyl>-4-(methylthio-β-D-ribo-hexopyranosyl)oxy><2-(trimethylsilyl)ethoxycarbonyl>amine